.p-btn{
	background: lightcoral;
	border: none;
	outline: none;
	position: relative;
	&:active:after{
		position: absolute;
		display: block;
		left: 0;
		top: 0;
		width: 100%;
		height: 100%;
		color: rgba(0,0,0,0);
		content: '.';
		background: rgba(0,0,0,0.1);
	}
}